Level 2 Communications and Networks Support Technician

Description

Job Summary: AR is seeking a Level 2 Communications and Networks Support Technician to join a specialized team operating in corporate environments involving connectivity, voice, and security. Key Highlights: 1. Second-line technical support for corporate clients 2. Integration into a specialized team focused on corporate environments 3. Participation in highly complex projects Full-time On-site in Lisbon AR seeks to strengthen its technical team with a Level 2 Communications and Networks Support Technician. M/F, to join a specialized team operating in corporate environments involving connectivity, voice, and security. ### **Main Responsibilities** * Providing second-line technical support to corporate clients; * Diagnosing and resolving complex network, connectivity, and VoIP incidents; * Configuring, managing, and maintaining network and security equipment; * Implementing and troubleshooting routing, VPN, and high-availability solutions; * Proactively monitoring infrastructures and analyzing performance; * Delivering user technical support with emphasis on service quality and customer experience. ### ### **Technical Profile** **Networks and Communications** * Advanced knowledge of IP networks: + IP addressing, subnetting, DNS, DHCP, NAT, VLANs; + Routing, MPLS, and redundancy protocols (VRRP); + OSI / TCP\-IP model up to the application layer; + Voice protocols, especially SIP. **Equipment and Infrastructure** * Configuration and administration of: + Routers, switches, and firewalls; + VoIP solutions and IP phones; + SIP platforms (e.g., MeetIP, NetVoice); * Experience in advanced troubleshooting of connectivity, latency, and performance issues. **Network Security** * Implementation and management of security policies; * Firewall administration; * Configuration of NAT, port forwarding, and filtering; * Implementation of IPS, web filtering, and application control; * Identification and mitigation of security incidents. **RouterOS** * Configuration and administration of routers; * Management of VLANs, bridges, and interfaces; * Implementation of firewall, QoS, and bandwidth control; * Fault diagnosis and log analysis. **VPN and High Availability** * Implementation of Site\-to\-Site and Client\-to\-Site VPNs; * IPsec, L2TP, PPTP, and SSL VPN protocols; * Failover testing and contingency scenarios; * Diagnosis of authentication and VPN tunnel issues. **Unified Communications** * Configuration and management of PBX systems; * Creation of extensions and call routing; * Support for enterprise voice solutions. ### ### **Personal Competencies** * Strong analytical and problem-solving skills; * Good communication skills and customer orientation; * Ability to clearly explain technical solutions; * Team spirit and sense of responsibility. ### ### **We Offer** * Integration into a growing technology company; * Participation in highly complex corporate projects; * A challenging and collaborative technical environment; * Continuous professional development opportunities ###### **Ref. AR\-2026\-359886**